Buggy code:
public class BaseDataFileFactory implements PrivilegedExceptionAction , CacheableFactory , ModuleControl , ModuleSupportable , DataFactory { StorageFactory storageFactory ; WritableStorageFactory writableStorageFactory ; private long nextContainerId = System . currentTimeMillis ( ) ; private boolean databaseEncrypted ; private CacheManager pageCache ; private CacheManager containerCache ; private LogFactory logFactory ; private ProductVersionHolder jbmsVersion ; private String jvmVersion ; private String jarCPath ; private RawStoreFactory rawStoreFactory ; private String dataDirectory ; private boolean throwDBlckException ; private UUID identifier ; private Object freezeSemaphore ; private boolean isFrozen ; private int writersInProgress ; private boolean removeStubsOK ; private boolean isCorrupt ; private boolean inCreateNoLog ; private StorageRandomAccessFile fileLockOnDB ; private StorageFile exFileLock ; private HeaderPrintWriter istream ; private static final String LINE = "----------------------------------------------------------------" ; boolean dataNotSyncedAtAllocation = true ; boolean dataNotSyncedAtCheckpoint = false ; private PageActions loggablePageActions ; private AllocationActions loggableAllocActions ; private boolean readOnly ; private boolean supportsRandomAccess ; private FileResource fileHandler ; private Hashtable droppedTableStubInfo ; private Hashtable postRecoveryRemovedFiles ; private EncryptData containerEncrypter ; private int actionCode ; private static final int GET_TEMP_DIRECTORY_ACTION = 1 ; private static final int REMOVE_TEMP_DIRECTORY_ACTION = 2 ; private static final int GET_CONTAINER_PATH_ACTION = 3 ; private static final int GET_ALTERNATE_CONTAINER_PATH_ACTION = 4 ; private static final int FIND_MAX_CONTAINER_ID_ACTION = 5 ; private static final int DELETE_IF_EXISTS_ACTION = 6 ; private static final int GET_PATH_ACTION = 7 ; private static final int POST_RECOVERY_REMOVE_ACTION = 8 ; private static final int REMOVE_STUBS_ACTION = 9 ; private static final int BOOT_ACTION = 10 ; private static final int GET_LOCK_ON_DB_ACTION = 11 ; private static final int RELEASE_LOCK_ON_DB_ACTION = 12 ; private static final int RESTORE_DATA_DIRECTORY_ACTION = 13 ; private static final int GET_CONTAINER_NAMES_ACTION = 14 ; private ContainerKey containerId ; private boolean stub ; private StorageFile actionFile ; private UUID myUUID ; private UUIDFactory uuidFactory ; private String databaseDirectory ; private String backupPath ; private File backupRoot ; private String [ ] bfilelist ; public BaseDataFileFactory ( ) { } public boolean canSupport ( Properties startParams ) { } public void boot ( boolean create , Properties startParams ) throws StandardException { } public void stop ( ) { boolean OK = false ; if ( ( rawStoreFactory ) != null ) { DaemonService rawStoreDaemon = rawStoreFactory . getDaemon ( ) ; if ( rawStoreDaemon != null ) rawStoreDaemon . stop ( ) ; } boolean logBootTrace = PropertyUtil . getSystemBoolean ( LOG_BOOT_TRACE ) ; <START_BUG> istream . println ( BaseDataFileFactory . LINE ) ; <END_BUG> logMsg ( ( ( "\n" + ( new Date ( ) ) ) + ( MessageService . getTextMessage ( STORE_SHUTDOWN_MSG , getIdentifier ( ) , getRootDirectory ( ) , ( ( Object ) ( this . getClass ( ) . getClassLoader ( ) ) ) ) ) ) ) ; if ( logBootTrace ) Monitor . logThrowable ( new Throwable ( "shutdown<seq2seq4repair_space>trace" ) ) ; if ( ! ( isCorrupt ) ) { try { if ( ( ( pageCache ) != null ) && ( ( containerCache ) != null ) ) { pageCache . shutdown ( ) ; containerCache . shutdown ( ) ; OK = true ; } } catch ( StandardException se ) { se . printStackTrace ( istream . getPrintWriter ( ) ) ; } } removeTempDirectory ( ) ; if ( isReadOnly ( ) ) { storageFactory . shutdown ( ) ; return ; } if ( ( removeStubsOK ) && OK ) removeStubs ( ) ; releaseJBMSLockOnDB ( ) ; writableStorageFactory . shutdown ( ) ; } public Cacheable newCacheable ( CacheManager cm ) { } public void createFinished ( ) throws StandardException { } public ContainerHandle openContainer ( RawTransaction t , ContainerKey containerId , LockingPolicy locking , int mode ) throws StandardException { } public RawContainerHandle openDroppedContainer ( RawTransaction t , ContainerKey containerId , LockingPolicy locking , int mode ) throws StandardException { } private RawContainerHandle openContainer ( RawTransaction t , ContainerKey identity , LockingPolicy locking , int mode , boolean droppedOK ) throws StandardException { } public long addContainer ( RawTransaction t , long segmentId , long input_containerid , int mode , Properties tableProperties , int temporaryFlag ) throws StandardException { } public long addAndLoadStreamContainer ( RawTransaction t , long segmentId , Properties tableProperties , RowSource rowSource ) throws StandardException { } public StreamContainerHandle openStreamContainer ( RawTransaction t , long segmentId , long containerId , boolean hold ) throws StandardException { } public void dropStreamContainer ( RawTransaction t , long segmentId , long containerId ) throws StandardException { } public void reCreateContainerForRedoRecovery ( RawTransaction t , long segmentId , long containerId , ByteArray containerInfo ) throws StandardException { } public void dropContainer ( RawTransaction t , ContainerKey ckey ) throws StandardException { } public void checkpoint ( ) throws StandardException { } public void idle ( ) throws StandardException { } public void setRawStoreFactory ( RawStoreFactory rsf , boolean create , Properties startParams ) throws StandardException { } public UUID getIdentifier ( ) { } public int reclaimSpace ( Serviceable work , ContextManager contextMgr ) throws StandardException { } public StandardException markCorrupt ( StandardException originalError ) { } public FileResource getFileHandler ( ) { } public void removeStubsOK ( ) { } public int getIntParameter ( String parameterName , Properties properties , int defaultValue , int minimumValue , int maximumValue ) { } CacheManager getContainerCache ( ) { } CacheManager getPageCache ( ) { } void flush ( LogInstant instant ) throws StandardException { } private void syncSideLog ( long bipLocation ) throws StandardException { } LogFactory getLogFactory ( ) { } RawStoreFactory getRawStoreFactory ( ) { } public String getRootDirectory ( ) { } Cacheable newContainerObject ( ) { } protected Cacheable newRAFContainer ( BaseDataFileFactory factory ) { } private void pageToDirty ( RawTransaction t , StoredPage page ) throws StandardException { } private PageActions getLoggablePageActions ( ) throws StandardException { } private AllocationActions getLoggableAllocationActions ( ) { } synchronized StorageFile getTempDirectory ( ) { } private synchronized void removeTempDirectory ( ) { }

Fix:
logMsg ( BaseDataFileFactory . LINE ) ;